Ruggles_, xlix, 64.^f ---- ----, ibid, _C. T. Jackson_, xlix, 81. ---- ----, ibid, _D. Houghton_, xli, 183. ---- ----, of Wisconsin and Missouri, J. T. Hodge, xliii, 381. ---- ----, Nova Scotia, xv, 152. ---- ----, of the Hartz, xix, 113. ---- ----, at Ekatherinenburg, xvii, 25. ---- ----, Rio Tinto, Spain, yield of, xxviii, 144. ---- mountains, Northern America, xvii, 8. ---- ores, on the roasting of, xxix, 374;--in Sweden, xxviii, 145. ---- sheathing of ships, on the corrosion of, _H. Davy_, ix, 207. ---- ----, causes of the destructibility of, _Prideaux_, xlii, 322. Copperas manufactured at Stratford, Vt., viii, 180; xxi, 383. ---- ---- from pyrites in Morris Co., N. J., v, 28. Coralline agates in the West Indies, i, 141. Corallines in chalk, xxxiii, 111; xxxix, 205. Corals, opinion of _Quoy_ and _Gaymard_ on the depth at which they grow, xv, 357. ----, on the temperature limiting the distribution of, _J. D. Dana_, xlv, 130. ----, distribution of, indicates the areas of subsidence in the Pacific, _J. D. Dana_, xlv, 131.^f ----, fossil, see ZOOLOGY _Radiata_. Coral islands, area of subsidence during the formation of Pacific, _J. D. Dana_, xlv, 131.^f ---- limestone in Ceylon, vi, 194. ---- shores of Florida, xxxv, 60. ---- limestone raised, in Dominica and other West Indian islands, iv, 218. ---- and shell rock of St. Croix, xxxv, 71. ---- reefs, formation of, _B. Hall_, xiv, 207. _Corda, A. J. C._, on the impregnation of plants, xxxi, 317.^f Cordage, on the vegetable materials used for, _J. Mease_, xxi, 27. ----, material for, from the Rose of Sharon, xxviii, 371. ----, from Manilla hemp, xli, 200.^f ----, and nets, strengthened by a solution of glue with oak bark, xxvi, 186. _Cornelius, E._, geology, mineralogy, &c., of part of Virginia, Tennessee, Alabama, and Mississippi, i, 214, 317.^f ----, singular position of a granite rock, ii, 200.^f _Cornuti's_ plants of Canada, ix, 265. Corpo Santo, instances of, xvi, 171. Corrosive sublimate, antidote of, iii, 374. ---- ----, detection of, xvii, 181; xxiii, 207. ---- ----, decomposition of, by vegetable substances, xvii, 385. ---- ----, solubility in ether, xvi, 399. Corundum, in Connecticut, vi, 219. ----, in New Jersey, xiii, 380; xxi, 319. ----, in North Carolina, iii, 4, 229. Cosmogony of Moses, xxv, 26. ----, Mosaic, critical interpretation of _barah_ and _asah_, _N. Webster_, xxxv, 375. _Costa, E. M. da._, notice of, _C. Fox_, xxxvii, 155. Cotarnine, xlix, 205. Côteau des Prairies, _G. Catlin_, xxxviii, 138. ----, red clay or Catlinite of, _C. T. Jackson_, xxxv, 388; xxxvii, 393.